@koehntopp Here are a few others … #InternationalPocketCalculatorDay #ipcd #calculators #pocketcalculators #hpcalculators #taschenrechner

@koehntopp I couldn‘t decide which photos to add. too bad that only four are possible! I need to make a huge photo showing all my #calculators. These are just a few … #InternationalPocketCalculatorDay #ipcd #PocketCalculators #HPcalculators